January weather forecast
Fort Smith, AR

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Weather in January

During January, Fort Smith, Arkansas experiences a steady increase in daylight hours, up from 10.1 hours to 10.9 hours between the first and last day. Overall, the winter feel holds, as higher humidity levels come along with lower temperatures. The ground begins to come alive with the winter chill and the occasional blanket of snow. This month stands as one of the coldest in the year with temperatures ranging from 31.5°F (-0.3°C) to 48°F (8.9°C). A breathable coat and some winter accessories might come in handy to keep warm during January's cooler temperatures.

Temperature

January is the month when Fort Smith experiences its coldest temperatures, averaging a high of 48°F (8.9°C) and a low of 31.5°F (-0.3°C).

Humidity

In Fort Smith, the average relative humidity in January is 72%.

Rainfall

In January, the rain falls for 7.7 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. In Fort Smith, during the entire year, the rain falls for 131.9 days and collects up to 25.51" (648mm) of precipitation.

Snowfall

January through March and December are months with snowfall in Fort Smith. In Fort Smith, in January, during 1.1 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Fort Smith, during the entire year, snow falls for 3.9 days and aggregates up to 0.79" (20mm) of snow.

Daylight

In Fort Smith, the average length of the day in January is 10h and 5min.
On the first day of the month, sunrise is at 7:26 am and sunset at 5:15 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:44 pm CST.

Sunshine

The months with the least sunshine in Fort Smith are January and December, with an average of 5.5h of sunshine.

UV index

The average daily maximum UV index in January in Fort Smith is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 3 in January suggests the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the coldest month in Fort Smith?

January tends to be the coldest month, with temperatures averaging a daily high of 48°F (8.9°C) and a low of 31.5°F (-0.3°C).

What is the usual temperature for Fort Smith in January?

The high-temperature, in January, in Fort Smith, is 48°F (8.9°C), while the low-temperature averages to 31.5°F (-0.3°C).

What is the average humidity in January in Fort Smith?

In Fort Smith, the average relative humidity in January is 72%.

How much does it rain in Fort Smith in January?

In Fort Smith, in January, during 7.7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

How many days does it snow in January in Fort Smith?

In Fort Smith, in January, during 1.1 snowfall days, 0.28" (7mm) of snow is typically accumulated.

What is the average length of the day in January in Fort Smith?

In Fort Smith, Arkansas, the average day length in January is 10h and 5min.

When is the sunrise / sunset in January in Fort Smith?

On the first day of January, sunrise is at 7:26 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:44 pm CST.

What is the month with the least sunshine in Fort Smith?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Fort Smith.

How many hours of sunshine does Fort Smith have in January?

The average sunshine duration in January in Fort Smith, Arkansas, is 5.5h.

How high is the UV index in January in Fort Smith?

In Fort Smith, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Fort Smith, AR

Average temperature in January - Fort Smith, AR
  • Average high temperature in January: 48°F

The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in January: 31.5°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in January
Fort Smith, AR

Average pressure in January - Fort Smith, AR
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Fort Smith, AR

Average wind speed in January - Fort Smith, AR
  • Average wind speed in January: 6.7mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in January
Fort Smith, AR

Average humidity in January - Fort Smith, AR
  • Average humidity in January: 72%

The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are July and August (70%).

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Average rainfall in January
Fort Smith, AR

Average rainfall in January - Fort Smith, AR
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is February (1.34").

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Average rainfall days in January
Fort Smith, AR

Average rainfall days in January - Fort Smith, AR
  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall in January
Fort Smith, AR

Average snowfall in January - Fort Smith, AR
  • Average snowfall in January: 0.28"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Fort Smith, AR

Average snowfall days in January - Fort Smith, AR
  • Average snowfall days in January: 1.1 days

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Fort Smith, AR

Average daylight in January / Average sunshine in January - Fort Smith, AR
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days in January
Fort Smith, AR

Average sunshine days in January - Fort Smith, AR
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (14.2 days).

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Average UV index in January
Fort Smith, AR

Average UV index in January - Fort Smith, AR
  • Average UV index in January: 3

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in January
Fort Smith, AR

Average cloud cover in January - Fort Smith, AR
  • Average cloud cover in January: 37

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in January
Fort Smith, AR

Average visibility in January - Fort Smith, AR
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Fort Smith, Arkansas, USA

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